How a Combination Lock Works

Have you ever wondered how a combination lock works? These are the locks used on school and gym lockers. You spin the wheel 3 different times to line up 3 different numbers. You end up on the final number, pull on the hasp and it pops open.

This video shows the lock guts and how they work.

[embedyt] https://www.youtube.com/watch?v=Nvnu5sR1e5c[/embedyt]

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